The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 1999
Filed:
Jan. 22, 1996
Applicant:
Inventors:
Noritomo Hirayama, Kawasaki, JP;
Nobuhisa Kato, Kawasaki, JP;
Mutsumi Nagumo, Kawasaki, JP;
Masahiro Uno, Kawasaki, JP;
Yohichi Yamashita, Urawa, JP;
Wan Jiang, Dalan, CN;
Tetsuo Uchiyama, Kumagaya, JP;
Kenichi Tsuji, Kumagaya, JP;
Assignees:
Fuji Electric Co., Ltd., Kanagawa, JP;
Kabushiki Kaisha Riken, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219553 ; 219552 ;
Abstract
A ceramic heating element includes a heat-generating portion 1 formed of a ceramic composite material with 3 to 40 vol. % of silicon carbide (SiC) whiskers and the balance substantially of molybdenum disilicide (MoSi.sub.2), and electrode portions 2a and 2b provided on both ends of the heat-generating portion 1.